AIM: To investigate the indices of syndrome differentiation for changre fushi syndrome in yangming disease. METHODS: The rat model with changre fushi syndrome in yangming disease was established by perfusing chinese herb of the hot for 12 days and then with the rat dung in the 13^th and 14^th day. Manifestations of the disease including temperature and motor activity were observed in the rats, the small intestine absorption of D-xylose and activity of Na^+ -K^+ -ATPase were measured by phloroglucin method with rat's blood, and the morpholo...